Physics · Energy Sources

On which of the following scientific principles does a hydroelectric power generator work?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Heating water to produce steam and then running steam engine to generate electricity
2Separation of hydrogen from water and then burning it to generate electricity
3Extraction of geothermal energy of ocean to produce electricity
4Conversion of gravitational potential energy into electrical energy using flowing water✓

Correct answer

Conversion of gravitational potential energy into electrical energy using flowing water

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